- ev-web-view.h \

- ev-web-view.c \

- $(EPUB_CFLAGS) \

- $(LIBVIEW_LIBS) \

- $(EPUB_LIBS)

-void atril_web_document_set_inverted_colors(EvDocumentModel *model,

- gboolean inverted_colors);

-#include "ev-job-scheduler.h"

-#if ENABLE_EPUB

-#include <webkit2/webkit2.h>

-#endif

-static void ev_job_load_init (EvJobLoad *job);

-static void ev_job_load_class_init (EvJobLoadClass *class);

- return class-> run (job);

-

- if ( job->document->iswebdocument == TRUE )

- {

- return TRUE;

-

- if (g_cancellable_is_cancelled (job->cancellable)) {

- ev_document_fc_mutex_unlock ();

- ev_document_doc_mutex_unlock ();

- g_object_unref (rc);

-

- return FALSE;

- }

-

- ev_document_fc_mutex_unlock ();

- ev_document_doc_mutex_unlock ();

- ev_job_succeeded (job);

- return FALSE;

- }

- EV_JOB (job)->run_mode = EV_JOB_RUN_THREAD;

-#if ENABLE_EPUB

-static void

-snapshot_callback(WebKitWebView *webview,

- GAsyncResult *results,

- EvJobThumbnail *job_thumb)

-{

- GError *error = NULL;

-

- ev_document_doc_mutex_lock ();

-

- EvPage *page = ev_document_get_page (EV_JOB(job_thumb)->document, job_thumb->page);

- job_thumb->surface = webkit_web_view_get_snapshot_finish (webview,

- results,

- &error);

-

- if (error) {

- g_warning ("Error retrieving a snapshot: %s", error->message);

- }

-

- EvRenderContext *rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale);

- EvPage *screenshotpage;

- screenshotpage = ev_page_new(job_thumb->page);

- screenshotpage->backend_page = (EvBackendPage)job_thumb->surface;

- screenshotpage->backend_destroy_func = (EvBackendPageDestroyFunc)cairo_surface_destroy;

- ev_render_context_set_page(rc,screenshotpage);

-

- job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (EV_JOB(job_thumb)->document),

- rc, TRUE);

- g_object_unref(screenshotpage);

- g_object_unref(rc);

-

- ev_document_doc_mutex_unlock ();

- ev_job_succeeded (EV_JOB(job_thumb));

-

- gtk_widget_destroy (gtk_widget_get_toplevel (GTK_WIDGET (webview)));

-}

-

-static void

-web_thumbnail_get_screenshot_cb (WebKitWebView *webview,

- WebKitLoadEvent event,

- EvJobThumbnail *job_thumb)

-{

- if (event != WEBKIT_LOAD_FINISHED || ev_job_is_failed (EV_JOB(job_thumb))) {

- return;

- }

-

- webkit_web_view_get_snapshot (webview,

- WEBKIT_SNAPSHOT_REGION_VISIBLE,

- WEBKIT_SNAPSHOT_OPTIONS_NONE,

- NULL,

- (GAsyncReadyCallback)snapshot_callback,

- g_object_ref (job_thumb));

-}

-

-static gboolean

-webview_load_failed_cb (WebKitWebView *webview,

- WebKitLoadEvent event,

- gchar *failing_uri,

- gpointer error,

- EvJobThumbnail *job_thumb)

-{

- GError *e = (GError *) error;

- g_warning ("Error loading data from %s: %s", failing_uri, e->message);

- ev_job_failed_from_error (EV_JOB(job_thumb), e);

-

- gtk_widget_destroy (gtk_widget_get_toplevel (GTK_WIDGET (webview)));

- return TRUE;

-}

-

-#endif /* ENABLE_EPUB */

-

- if (job->document->iswebdocument) {

- /* Do not block the main loop */

- if (!ev_document_doc_mutex_trylock ())

- return TRUE;

- } else {

- ev_document_doc_mutex_lock ();

- }

- if (job->document->iswebdocument == TRUE ) {

- rc = ev_render_context_new (page, 0, job_thumb->scale);

- } else {

- rc = ev_render_context_new (page, job_thumb->rotation, job_thumb->scale);

- }

-#if ENABLE_EPUB

- if (job->document->iswebdocument == TRUE) {

- GtkWidget *webview;

- GtkWidget *offscreenwindow;

-

- webview = webkit_web_view_new ();

- offscreenwindow = gtk_offscreen_window_new ();

-

- gtk_container_add (GTK_CONTAINER(offscreenwindow), GTK_WIDGET (webview));

- gtk_window_set_default_size (GTK_WINDOW(offscreenwindow), 800, 1080);

- gtk_widget_show_all (offscreenwindow);

-

- g_signal_connect (WEBKIT_WEB_VIEW (webview), "load-changed",

- G_CALLBACK (web_thumbnail_get_screenshot_cb),

- g_object_ref (job_thumb));

- g_signal_connect (WEBKIT_WEB_VIEW(webview), "load-failed",

- G_CALLBACK(webview_load_failed_cb),

- g_object_ref (job_thumb));

- webkit_web_view_load_uri (WEBKIT_WEB_VIEW (webview), (gchar*) rc->page->backend_page);

- }

- else

-#endif /* ENABLE_EPUB */

- {

- ev_document_doc_mutex_lock ();

- job_thumb->thumbnail = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (job->document),

- rc, TRUE);

- ev_document_doc_mutex_unlock ();

- ev_job_succeeded (job);

- }

-

- if (job->results) {

- g_free(job->results);

- }

-

- if (job->document->iswebdocument) {

- job_find->results[job_find->current_page] = ev_document_find_check_for_hits(find, ev_page, job_find->text,

- job_find->case_sensitive);

- }else {

- matches = ev_document_find_find_text (find, ev_page, job_find->text,

- job_find->case_sensitive);

- }

-

- if (!job_find->has_results && !job->document->iswebdocument) {

- }

- else if (!job_find->has_results && job->document->iswebdocument){

- job_find->has_results = (job_find->results[job_find->current_page] > 0);

- }

-

- if (job->document->iswebdocument == FALSE) {

- job_find->pages[job_find->current_page] = matches;

- }

-

- if (document->iswebdocument) {

- job->results = g_malloc0 (sizeof(guint) *n_pages);

- }

- else {

- job->pages = g_new0 (GList *, n_pages);

- }

- if (EV_JOB(job)->document->iswebdocument) {

- return job->results[page];

- }

- else {

- return g_list_length (job->pages[page]);

- }

-typedef struct _EvJobWebThumbnail EvJobWebThumbnail;

-typedef struct _EvJobWebThumbnailClass EvJobWebThumbnailClass;

-

-#define EV_TYPE_JOB_WEB_THUMBNAIL (ev_job_web_thumbnail_get_type())

-#define EV_JOB_WEB_THUMBNAIL(object) (G_TYPE_CHECK_INSTANCE_CAST((object), EV_TYPE_JOB_WEB_THUMBNAIL, EvJobWebThumbnail))

-#define EV_JOB_WEB_THUMBNAIL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), EV_TYPE_JOB_WEB_THUMBNAIL, EvJobWebThumbnailClass))

-#define EV_IS_JOB_WEB_THUMBNAIL(object) (G_TYPE_CHECK_INSTANCE_TYPE((object), EV_TYPE_JOB_WEB_THUMBNAIL))

-

- cairo_surface_t *surface;

- guint *results;

-

-

-/**

- * ev_view_disconnect_handlers

- * @view: #EvView instance

- *

- * Disconnect all signal handlers from the model, to ensure error free operation of the webview,

- * we have an equivalent function for the webview.

- */

-void

-ev_view_disconnect_handlers(EvView *view)

-{

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_rotation_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_inverted_colors_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_sizing_mode_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_page_layout_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_scale_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_continuous_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_fullscreen_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_page_changed_cb),

- view);

- g_signal_handlers_disconnect_by_func(view->model,

- G_CALLBACK (ev_view_document_changed_cb),

- view);

-}

-/*For epub*/

-void ev_view_disconnect_handlers (EvView *view);

-

-/* this file is part of atril, a mate document viewer

- *

- * Copyright (C) 2014 Avishkar Gupta

- * Based on ev-view.c, also a part of atril, a mate document viewer.

- *

- * Atril is free software; you can redistribute it and/or modify it

- * under the terms of the GNU General Public License as published by

- * the Free Software Foundation; either version 2 of the License, or

- * (at your option) any later version.

- *

- * Atril is distributed in the hope that it will be useful, but

- * WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

- * General Public License for more details.

- *

- * You should have received a copy of the GNU General Public License

- * along with this program; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

- */

-

-#include "config.h"

-

-#if ENABLE_EPUB

-#include <glib/gi18n-lib.h>

-#include <gtk/gtk.h>

-#include <stdlib.h>

-

-#include <webkit2/webkit2.h>

-

-#include "ev-web-view.h"

-#include "ev-document-model.h"

-#include "ev-jobs.h"

-

-#define EV_WEB_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), EV_TYPE_WEB_VIEW, EvWebViewClass))

-#define EV_IS_WEB_VIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), EV_TYPE_WEB_VIEW))

-#define EV_WEB_VIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), EV_TYPE_WEB_VIEW, EvWebViewClass))

-

- typedef enum {

- EV_WEB_VIEW_FIND_NEXT,

- EV_WEB_VIEW_FIND_PREV

- } EvWebViewFindDirection;

-

-typedef struct _SearchParams {

- gboolean case_sensitive;

- gchar* search_string;

- EvWebViewFindDirection direction;

- gboolean search_jump;

- gint on_result;

- guint *results;

-}SearchParams;

-

-struct _EvWebView

-{

- WebKitWebView web_view;

- EvDocument *document;

- EvDocumentModel *model;

- gint current_page;

- gboolean inverted_stylesheet ;

- gboolean fullscreen;

- SearchParams *search;

- WebKitFindController *findcontroller;

- WebKitFindOptions findoptions;

- gdouble zoom_level;

- gchar *hlink;

-};

-

-struct _EvWebViewClass

-{

- WebKitWebViewClass base_class;

-};

-

-/*** Callbacks ***/

-static void ev_web_view_change_page (EvWebView *webview,

- gint new_page);

-

-static void ev_web_view_page_changed_cb (EvDocumentModel *model,

- gint old_page,

- gint new_page,

- EvWebView *webview);

-/*** GObject ***/

-static void ev_web_view_dispose (GObject *object);

-

-static void ev_web_view_finalize (GObject *object);

-static void ev_web_view_class_init (EvWebViewClass *klass);

-static void ev_web_view_init (EvWebView *webview);

-

-G_DEFINE_TYPE (EvWebView, ev_web_view, WEBKIT_TYPE_WEB_VIEW)

-

-static void

-web_view_update_range_and_current_page (EvWebView *webview)

-{

- g_return_if_fail(EV_IS_WEB_VIEW(webview));

-

- if (ev_document_get_n_pages (webview->document) <= 0)

- return;

-

- ev_document_model_set_page(webview->model, 0);

- webview->current_page = 0;

- EvPage *webpage = ev_document_get_page(webview->document,0);

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)webpage->backend_page);

-}

-

-static void

-ev_web_view_dispose (GObject *object)

-{

- EvWebView *webview = EV_WEB_VIEW (object);

-

- if (webview->document) {

- g_object_unref(webview->document);

- webview->document = NULL ;

- }

-

- if (webview->model) {

- g_object_unref(webview->model);

- webview->model = NULL;

- }

-

- if (webview->hlink) {

- g_free(webview->hlink);

- webview->hlink = NULL;

- }

-

- if (webview->search) {

- g_free(webview->search);

- webview->search = NULL;

- }

-

- G_OBJECT_CLASS (ev_web_view_parent_class)->dispose (object);

-}

-

-static void

-ev_web_view_class_init (EvWebViewClass *klass)

-{

- G_OBJECT_CLASS(klass)->finalize = ev_web_view_finalize;

- G_OBJECT_CLASS(klass)->dispose = ev_web_view_dispose;

-}

-

-static void

-ev_web_view_init (EvWebView *webview)

-{

- gtk_widget_set_can_focus (GTK_WIDGET (webview), TRUE);

-

- gtk_widget_set_has_window (GTK_WIDGET (webview), TRUE);

-

- webview->current_page = 0;

-

- webview->search = g_new0(SearchParams, 1);

- webview->search->search_string = NULL;

-

- webview->search->on_result = -1 ;

- webview->search->results = NULL;

- webview->search->search_jump = TRUE ;

-

- webview->fullscreen = FALSE;

- webview->inverted_stylesheet = FALSE;

- webview->hlink = NULL;

-}

-

-static void

-ev_web_view_finalize (GObject *object)

-{

- G_OBJECT_CLASS(ev_web_view_parent_class)->finalize(object);

-}

-

-/*** Callbacks ***/

-

-static void

-ev_web_view_change_page (EvWebView *webview,

- gint new_page)

-{

- g_return_if_fail(EV_IS_WEB_VIEW(webview));

-

- EvDocumentClass *klass = EV_DOCUMENT_GET_CLASS(webview->document);

-

- webview->current_page = new_page;

- ev_document_model_set_page(webview->model,new_page);

- webkit_find_controller_search_finish(webview->findcontroller);

- if (webview->hlink) {

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)webview->hlink);

- g_free(webview->hlink);

- webview->hlink = NULL;

- }

- else {

- EvPage *page = klass->get_page(webview->document,new_page);

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)page->backend_page);

- }

-}

-

-static void

-ev_web_view_page_changed_cb (EvDocumentModel *model,

- gint old_page,

- gint new_page,

- EvWebView *webview)

-{

- if (!webview->document)

- return;

-

- if (webview->current_page != new_page) {

- ev_web_view_change_page (webview, new_page);

- } else {

- webkit_web_view_reload (WEBKIT_WEB_VIEW(webview));

- }

-}

-

-GtkWidget*

-ev_web_view_new (void)

-{

- GtkWidget *webview;

-

- webview = g_object_new (EV_TYPE_WEB_VIEW, NULL);

-

- EV_WEB_VIEW(webview)->findcontroller = webkit_web_view_get_find_controller (WEBKIT_WEB_VIEW(webview));

- EV_WEB_VIEW(webview)->findoptions = webkit_find_controller_get_options (EV_WEB_VIEW(webview)->findcontroller);

-

- EV_WEB_VIEW(webview)->zoom_level = 1.0;

-

- EV_WEB_VIEW(webview)->findoptions |= WEBKIT_FIND_OPTIONS_NONE;

-

- return webview;

-}

-

-static void

-ev_web_view_document_changed_cb (EvDocumentModel *model,

- GParamSpec *pspec,

- EvWebView *webview)

-{

- g_return_if_fail(EV_IS_WEB_VIEW(webview));

-

- EvDocument *document = ev_document_model_get_document (model);

-

- if (document != webview->document) {

-

- if (webview->document )

- g_object_unref(webview->document);

-

- webview->document = document ;

-

- if(webview->document) {

- g_object_ref(webview->document);

- }

- webview->inverted_stylesheet = FALSE;

- gint current_page = ev_document_model_get_page(model);

-

- ev_web_view_change_page (webview, current_page);

-

- }

-}

-

-static void

-ev_web_view_inverted_colors_changed_cb (EvDocumentModel *model,

- GParamSpec *pspec,

- EvWebView *webview)

-{

- EvDocument *document = ev_document_model_get_document(model);

-

- if (!document || !document->iswebdocument)

- return;

-

- if (ev_document_model_get_inverted_colors(model) == TRUE) {

- if (document == NULL) {

- ev_document_model_set_inverted_colors(model,FALSE);

- return;

- }

- if (webview->inverted_stylesheet == FALSE) {

- ev_document_check_add_night_sheet(document);

- webview->inverted_stylesheet = TRUE;

- }

- ev_document_toggle_night_mode(document,TRUE);

- webkit_web_view_reload(WEBKIT_WEB_VIEW(webview));

- }

- else {

- if (document != NULL) {

- ev_document_toggle_night_mode(document,FALSE);

- webkit_web_view_reload(WEBKIT_WEB_VIEW(webview));

- }

- }

-}

-

-void

-ev_web_view_set_model (EvWebView *webview,

- EvDocumentModel *model)

-{

- g_return_if_fail (EV_IS_WEB_VIEW (webview));

- g_return_if_fail (EV_IS_DOCUMENT_MODEL (model));

-

- if (model == webview->model)

- return;

-

- if (webview->model) {

- g_signal_handlers_disconnect_by_func (webview->model,

- ev_web_view_document_changed_cb,

- webview);

- g_signal_handlers_disconnect_by_func (webview->model,

- ev_web_view_page_changed_cb,

- webview);

- g_object_unref (webview->model);

- }

- webview->model = g_object_ref (model);

-

- /* Initialize webview from model */

- webview->fullscreen = ev_document_model_get_fullscreen (webview->model);

- webview->document = ev_document_model_get_document(webview->model);

-

- ev_web_view_document_changed_cb (webview->model, NULL, webview);

-

- g_signal_connect (webview->model, "notify::document",

- G_CALLBACK (ev_web_view_document_changed_cb),

- webview);

- g_signal_connect (webview->model, "notify::inverted-colors",

- G_CALLBACK (ev_web_view_inverted_colors_changed_cb),

- webview);

- g_signal_connect (webview->model,"page-changed",

- G_CALLBACK(ev_web_view_page_changed_cb),

- webview);

-}

-

-void

-ev_web_view_reload_page (EvWebView *webview,

- gint page)

-{

- webkit_web_view_reload (WEBKIT_WEB_VIEW(webview));

-}

-

-void

-ev_web_view_reload (EvWebView *webview)

-{

- web_view_update_range_and_current_page (webview);

-}

-

-

-gboolean

-ev_web_view_next_page (EvWebView *webview)

-{

- int page, n_pages;

-

- g_return_val_if_fail (EV_IS_WEB_VIEW (webview), FALSE);

-

- if (!webview->document)

- return FALSE;

-

- page = ev_document_model_get_page (webview->model);

- n_pages = ev_document_get_n_pages (webview->document);

-

- page = page + 1;

-

- if (page < n_pages) {

- ev_document_model_set_page (webview->model, page);

- EvPage *webpage = ev_document_get_page(webview->document,page);

- webview->current_page = page ;

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)webpage->backend_page);

- return TRUE;

- } else if (page == n_pages) {

- ev_document_model_set_page (webview->model, page - 1);

- EvPage *webpage = ev_document_get_page(webview->document,page);

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)webpage->backend_page);

- return TRUE;

- } else {

- return FALSE;

- }

-}

-

-gboolean

-ev_web_view_previous_page (EvWebView *webview)

-{

- int page;

-

- g_return_val_if_fail (EV_IS_WEB_VIEW (webview), FALSE);

-

- if (!webview->document)

- return FALSE;

-

- page = ev_document_model_get_page (webview->model);

-

- page = page - 1 ;

-

- if (page >= 0) {

- ev_document_model_set_page (webview->model, page);

- EvPage *webpage = ev_document_get_page(webview->document,page);

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)webpage->backend_page);

- return TRUE;

- } else if (page == -1) {

- ev_document_model_set_page (webview->model, 0);

- EvPage *webpage = ev_document_get_page(webview->document,page);

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),(gchar*)webpage->backend_page);

- return TRUE;

- } else {

- return FALSE;

- }

-}

-

-void

-ev_web_view_handle_link(EvWebView *webview,EvLink *link)

-{

- EvLinkAction *action = NULL;

- EvLinkDest *dest = NULL;

- EvLinkDestType dest_type ;

- action = ev_link_get_action(link);

-

- if (action == NULL)

- return;

-

- dest = ev_link_action_get_dest(action);

-

- if (dest == NULL)

- return;

-

- dest_type = ev_link_dest_get_dest_type(dest);

-

- switch(dest_type) {

- case EV_LINK_DEST_TYPE_PAGE: {

- ev_document_model_set_page(webview->model,ev_link_dest_get_page(dest));

- break;

- }

-

- case EV_LINK_DEST_TYPE_PAGE_LABEL: {

- const gchar *text = ev_link_dest_get_page_label (dest);

- gint page = atoi(text);

-

- if (page <= ev_document_get_n_pages(webview->document) && page > 0) {

- ev_document_model_set_page(webview->model,page-1);

- }

- break;

- }

- case EV_LINK_DEST_TYPE_HLINK: {

- const gchar *uri = ev_link_dest_get_named_dest(dest);

- ev_document_model_set_page(webview->model,ev_link_dest_get_page(dest));

- webkit_web_view_load_uri(WEBKIT_WEB_VIEW(webview),uri);

- break;

-

- default:return;

- }

- }

-}

-/* Searching */

-

-static void

-results_counted_cb(WebKitFindController *findcontroller,

- guint match_count,

- EvWebView *webview)

-{

- if (match_count > 0 && webview->search->on_result < match_count) {

- webkit_find_controller_search(findcontroller,

- webview->search->search_string,

- webview->findoptions,

- match_count);

- webview->search->search_jump = FALSE;

- }

-}

-

-/*

- * Jump to find results once we have changed the page in the webview.

- */

-static void

-jump_to_find_results(EvWebView *webview,

- WebKitLoadEvent load_event,

- gpointer data)

-{

- if ( load_event != WEBKIT_LOAD_FINISHED) {

- return;

- }

-

- if (!webview->search->search_string) {

- return;

- }

-

- if (webview->search->direction == EV_WEB_VIEW_FIND_NEXT) {

- webview->findoptions &= ~WEBKIT_FIND_OPTIONS_BACKWARDS;

- webview->findoptions &= ~WEBKIT_FIND_OPTIONS_WRAP_AROUND;

- }

- else {

- webview->findoptions |= WEBKIT_FIND_OPTIONS_BACKWARDS;

- webview->findoptions |= WEBKIT_FIND_OPTIONS_WRAP_AROUND;

- }

-

- webkit_find_controller_count_matches (webview->findcontroller,

- webview->search->search_string,

- webview->findoptions,

- G_MAXUINT);

- webview->search->search_jump = FALSE;

-}

-

-static gint

-ev_web_view_find_get_n_results (EvWebView *webview, gint page)

-{

- return webview->search->results[page];

-}

-

-/**

- * jump_to_find_page

- * @webview: #EvWebView instance

- * @direction: Direction to look

- * @shift: Shift from current page

- *

- * Jumps to the first page that has occurences of searched word.

- * Uses a direction where to look and a shift from current page.

-**/

-static void

-jump_to_find_page (EvWebView *webview, EvWebViewFindDirection direction, gint shift)

-{

- int n_pages, i;

-

- n_pages = ev_document_get_n_pages (webview->document);

-

- for (i = 0; i < n_pages; i++) {

- int page;

-

- if (direction == EV_WEB_VIEW_FIND_NEXT)

- page = webview->current_page + i;

- else

- page = webview->current_page - i;

- page += shift;

-

- if (page >= n_pages) {

- page = page - n_pages;

- } else if (page < 0)

- page = page + n_pages;

-

- if (page == webview->current_page && ev_web_view_find_get_n_results(webview,page) > 0) {

- if (direction == EV_WEB_VIEW_FIND_PREV) {

- webview->findoptions |= WEBKIT_FIND_OPTIONS_WRAP_AROUND;

- webview->findoptions |= WEBKIT_FIND_OPTIONS_BACKWARDS;

- }

- else {

- if (webview->search->search_jump)

- webview->findoptions |= WEBKIT_FIND_OPTIONS_WRAP_AROUND;

- else

- webview->findoptions &= ~WEBKIT_FIND_OPTIONS_WRAP_AROUND;

-

- webview->findoptions &= ~WEBKIT_FIND_OPTIONS_BACKWARDS;

- }

-

- webkit_find_controller_search (webview->findcontroller,

- webview->search->search_string,

- webview->findoptions,

- /*Highlight all the results.*/

- G_MAXUINT);

- webview->search->search_jump = FALSE;

- break;

- }

-

- if (ev_web_view_find_get_n_results (webview, page) > 0) {

- webview->search->direction = direction;

- webkit_find_controller_search_finish(webview->findcontroller);

- ev_document_model_set_page (webview->model, page);

- break;

- }

- }

-}

-

-void

-ev_web_view_find_changed (EvWebView *webview, guint *results, gchar *text,gboolean case_sensitive)

-{

- webview->search->results = results;

- webview->search->on_result = 0;

- webview->search->search_string = g_strdup(text);

- webview->search->case_sensitive = case_sensitive;

- if (webview->search->search_jump == TRUE) {

- if (!case_sensitive) {

- webview->findoptions |= WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE;

- }

- else {

- webview->findoptions &= ~WEBKIT_FIND_OPTIONS_CASE_INSENSITIVE;

- }

- jump_to_find_page (webview, EV_WEB_VIEW_FIND_NEXT, 0);

- }

-}

-

-void

-ev_web_view_find_next (EvWebView *webview)

-{

- gint n_results;

-

- n_results = ev_web_view_find_get_n_results (webview, webview->current_page);

- webview->search->on_result++;

-

- if (webview->search->on_result >= n_results) {

- webview->search->on_result = 0;

- jump_to_find_page (webview, EV_WEB_VIEW_FIND_NEXT, 1);

- }

- else {

- webkit_find_controller_search_next(webview->findcontroller);

- }

-}

-

-void

-ev_web_view_find_previous (EvWebView *webview)

-{

- webview->search->on_result--;

-

- if (webview->search->on_result < 0) {

- jump_to_find_page (webview, EV_WEB_VIEW_FIND_PREV, -1);

- webview->search->on_result = MAX (0, ev_web_view_find_get_n_results (webview, webview->current_page) - 1);

- } else {

- webkit_find_controller_search_previous(webview->findcontroller);

- }

-}

-

-void

-ev_web_view_find_search_changed (EvWebView *webview)

-{

- /* search string has changed, focus on new search result */

- if (webview->search->search_string) {

- g_free(webview->search->search_string);

- webview->search->search_string = NULL;

- }

-

- webkit_find_controller_search_finish(webview->findcontroller);

- webview->search->search_jump = TRUE;

-}

-

-void

-ev_web_view_find_cancel (EvWebView *webview)

-{

- webkit_find_controller_search_finish (webview->findcontroller);

-}

-

-void

-ev_web_view_set_handler(EvWebView *webview,gboolean visible)

-{

- if (visible) {

- g_signal_connect(webview,

- "load-changed",

- G_CALLBACK(jump_to_find_results),

- NULL);

- g_signal_connect(webview->findcontroller,

- "counted-matches",

- G_CALLBACK(results_counted_cb),

- webview);

- }

- else {

- g_signal_handlers_disconnect_by_func(webview,

- jump_to_find_results,

- NULL);

- g_signal_handlers_disconnect_by_func(webview,

- results_counted_cb,

- NULL);

- }

-}

-

-/* Selection and copying*/

-void

-ev_web_view_select_all(EvWebView *webview)

-{

- webkit_web_view_execute_editing_command(WEBKIT_WEB_VIEW(webview),

- WEBKIT_EDITING_COMMAND_SELECT_ALL);

-}

-

-static void

-copy_text_cb(WebKitWebView *webview,

- GAsyncResult *res,

- gpointer data)

-{

- gboolean okay_to_copy = webkit_web_view_can_execute_editing_command_finish (WEBKIT_WEB_VIEW(webview),

- res,

- NULL);

-

- if (okay_to_copy) {

- webkit_web_view_execute_editing_command (WEBKIT_WEB_VIEW(webview),

- WEBKIT_EDITING_COMMAND_COPY);

- }

-}

-

-void

-ev_web_view_copy(EvWebView *webview)

-{

- webkit_web_view_can_execute_editing_command(WEBKIT_WEB_VIEW(webview),

- WEBKIT_EDITING_COMMAND_COPY,

- NULL,

- (GAsyncReadyCallback)copy_text_cb,

- NULL);

-}

-

-/*Zoom control*/

-gboolean

-ev_web_view_zoom_in(EvWebView *webview)

-{

- webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW(webview),

- (webview->zoom_level+= 0.1));

- return TRUE;

-}

-

-gboolean

-ev_web_view_zoom_out(EvWebView *webview)

-{

- if (webview->zoom_level == 1)

- return FALSE;

-

- webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW(webview),

- (webview->zoom_level -= 0.1));

- return TRUE;

-}

-

-gboolean

-ev_web_view_zoom_reset(EvWebView *webview)

-{

- if (webview->zoom_level == 1)

- return FALSE;

-

- webkit_web_view_set_zoom_level (WEBKIT_WEB_VIEW(webview),

- 1.0);

- return TRUE;

-}

-

-/**

- * ev_web_view_disconnect_handlers

- * @webview : #EvWebView instance

- *

- * This function call will disconnect all model signal handlers from the webview, to ensure smooth operation of the Atril-view.

- * Equivalent to function ev_view_disconnect_handlers in ev-view.c

- */

-void

-ev_web_view_disconnect_handlers(EvWebView *webview)

-{

- g_signal_handlers_disconnect_by_func(webview->model,

- ev_web_view_document_changed_cb,

- webview);

- g_signal_handlers_disconnect_by_func(webview->model,

- ev_web_view_inverted_colors_changed_cb,

- webview);

- g_signal_handlers_disconnect_by_func(webview->model,

- ev_web_view_page_changed_cb,

- webview);

-}

-#endif

-/* this file is part of atril, a mate document viewer

- *

- * Copyright (C) 2014 Avishkar Gupta

- * Based on ev-view.h, also a part of atril, a mate document viewer

- *

- * Atril is free software; you can redistribute it and/or modify it

- * under the terms of the GNU General Public License as published by

- * the Free Software Foundation; either version 2 of the License, or

- * (at your option) any later version.

- *

- * Atril is distributed in the hope that it will be useful, but

- * WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

- * General Public License for more details.

- *

- * You should have received a copy of the GNU General Public License

- * along with this program; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

- */

-

-#if !defined (__EV_ATRIL_VIEW_H_INSIDE__) && !defined (ATRIL_COMPILATION)

-#error "Only <atril-view.h> can be included directly."

-#endif

-

-#include "config.h"

-#if ENABLE_EPUB

-#ifndef __EV_WEB_VIEW_H__

-#define __EV_WEB_VIEW_H__

-

-#include <gtk/gtk.h>

-

-#include <atril-document.h>

-#include "ev-jobs.h"

-#include "ev-document-model.h"

-#include <glib-object.h>

-G_BEGIN_DECLS

-

-

-typedef struct _EvWebView EvWebView;

-typedef struct _EvWebViewClass EvWebViewClass;

-

-#define EV_TYPE_WEB_VIEW (ev_web_view_get_type ())

-#define EV_WEB_VIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EV_TYPE_WEB_VIEW, EvWebView))

-#define EV_IS_WEB_VIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EV_TYPE_WEB_VIEW))

-

-GType ev_web_view_get_type (void) G_GNUC_CONST;

-

-GtkWidget* ev_web_view_new (void);

-

-void ev_web_view_set_model (EvWebView *webview,

- EvDocumentModel *model);

-

-void ev_web_view_reload (EvWebView *webview);

-

-void ev_web_view_reload_page (EvWebView *webview,

- gint page);

-

-/* Navigation */

-gboolean ev_web_view_next_page (EvWebView *webview);

-gboolean ev_web_view_previous_page (EvWebView *webview);

-

-/* Sidebar links */

-void ev_web_view_handle_link (EvWebView *webview, EvLink* link);

-

-/* Searching */

-void ev_web_view_find_next (EvWebView *webview);

-void ev_web_view_find_previous (EvWebView *webview);

-

-void ev_web_view_find_changed (EvWebView *webview,

- guint *results,

- gchar *text,

- gboolean case_sensitive);

-

-void ev_web_view_find_search_changed (EvWebView *webview);

-void ev_web_view_find_cancel (EvWebView *webview);

-void ev_web_view_find_set_highlight_search (EvWebView *webview,gboolean visible);

-void ev_web_view_set_handler (EvWebView *webview,gboolean visible);

-/* Selection */

-gboolean ev_web_view_get_has_selection (EvWebView *webview);

-void ev_web_view_select_all (EvWebView *webview);

-void ev_web_view_copy (EvWebView *webview);

-

-/* Zoom control */

-gboolean ev_web_view_zoom_in (EvWebView *webview);

-gboolean ev_web_view_zoom_out (EvWebView *webview);

-gboolean ev_web_view_zoom_reset (EvWebView *webview);

-

-/*For safe replacement by an EvView*/

-void ev_web_view_disconnect_handlers (EvWebView *webview);

-G_END_DECLS

-

-#endif /* __EV_WEB_VIEW_H__ */

-#endif /* ENABLE_EPUB */